PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

O-S-642-1-1-LBSodium Phosphate,tribasic,anhydr

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 6810-00-141-6078 · FSC 6810 · No Item Name Available
Verified by PartsTable
NSN 6810-00-141-6078 — this item is cataloged by the U.S. Government under National Stock Number 6810-00-141-6078. Primary manufacturer part number: O-S-642-1-1-LB.
Features
  • Sodium Phosphate,tribasic,anhydr — FSC 6810
  • Medical Designation and Grade: TECHNICAL
  • Nondefinitive Spec/std Data: I TYPE
  • Composition and Percentage: 97.0 MINIMUM BY WEIGHT SODIUM PHOSPHATE, TRIBASIC
  • Quantity Within Each Unit Package: 1.000 POUNDS LBS
  • Sieve Particle Size Gradation Percentage: 1.0 MAXIMUM RETAINED 841 MICRONS AND 10.0 MAXIMUM RETAINED 149 MICRONS AND 5.0 MAXIMUM RETAINED 2 MILLIMETER AND 80.0 MINIMUM RETAINED 149 MICRONS MM
  • 2 verified cross-references
  • Primary manufacturer: Federal Specifications Promulgated by General Services Administration Washington DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sodium Phosphate,tribasic,anhydr, cataloged under National Stock Number 6810-00-141-6078, is classified within Federal Supply Class 6810 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6810-00-141-6078
Primary Part NumberO-S-642-1-1-LB
Item NameSodium Phosphate,tribasic,anhydr
FSC / FSG6810 / 68 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Medical Designation and GradeTECHNICAL
Nondefinitive Spec/std DataI TYPE
Composition and Percentage97.0 MINIMUM BY WEIGHT SODIUM PHOSPHATE, TRIBASIC
Quantity Within Each Unit Package1.000 POUNDS LBS
Sieve Particle Size Gradation Percentage1.0 MAXIMUM RETAINED 841 MICRONS AND 10.0 MAXIMUM RETAINED 149 MICRONS AND 5.0 MAXIMUM RETAINED 2 MILLIMETER AND 80.0 MINIMUM RETAINED 149 MICRONS MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
6810-00-141-6080 INTERCHANGEABLE
Sodium Phosphate,tribasic,anhydr
6810-01-038-1175 INTERCHANGEABLE
Sodium Phosphate,tribasic,dodeca
6810-01-074-25897-3840 INTERCHANGEABLE
Sodium Phosphate,tribasic,dodeca
Avantor Performance Materials, Inc.
6810-01-082-5415 INTERCHANGEABLE
Sodium Phosphate,tribasic,dodeca
Cross-Reference Index
Part NumberManufacturer
O-S-642-1-1-LB Federal Specifications Promulgated by General Services Administration Washington DC (USA)
O-S-642 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6810-00-141-6080INTERCHANGEABLE
SODIUM PHOSPHATE,TRIBASIC,ANHYDR
6810-01-038-1175INTERCHANGEABLE
SODIUM PHOSPHATE,TRIBASIC,DODECA
6810-01-074-2589INTERCHANGEABLE
SODIUM PHOSPHATE,TRIBASIC,DODECA
7-3840
6810-01-082-5415INTERCHANGEABLE
SODIUM PHOSPHATE,TRIBASIC,DODECA

Frequently Asked Questions

What is NSN 6810-00-141-6078?

NSN 6810-00-141-6078 is a Sodium Phosphate,tribasic,anhydr, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 6810 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6810-00-141-6078?

NSN 6810-00-141-6078 has 2 cross-referenced part numbers: O-S-642-1-1-LB (Federal Specifications Promulgated by General Services Administration Washington DC), O-S-642 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6810-00-141-6078?

There are 4 known substitutes for 6810-00-141-6078: 6810-00-141-6080, 6810-01-038-1175, 6810-01-074-2589 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of O-S-642-1-1-LB?

Key specifications for O-S-642-1-1-LB: Medical Designation and Grade: TECHNICAL; Nondefinitive Spec/std Data: I TYPE; Composition and Percentage: 97.0 MINIMUM BY WEIGHT SODIUM PHOSPHATE, TRIBASIC; Quantity Within Each Unit Package: 1.000 POUNDS LBS. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6810-00-141-6078 still in active supply?

NSN 6810-00-141-6078 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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